GM Service Manual Online
For 1990-2009 cars only

Transmission Housing Oil Seal Replacement - Rear RWD

Tools Required

J 45868 RWD Output Shaft Seal Installer

Removal Procedure

  1. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement .

  2. Object Number: 1302105  Size: SH
  3. Using a suitable tool, pry the rear transmission housing oil seal from the transmission housing.

Installation Procedure


    Object Number: 881166  Size: SH
  1. Using the J 45868 and a hammer, install the NEW rear transmission housing oil seal.
  2. Check the transmission fluid level. Add if necessary. Refer to Transmission Fluid Replacement .
  3. Install the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement .

Transmission Housing Oil Seal Replacement - Rear 4WD

Tools Required

    • J 6125-1B Slide Hammer
    • J 23129 Universal Seal Remover
    • J 45867 4WD Output Shaft Seal Installer

Removal Procedure

  1. Remove the transfer case assembly. Refer to Transfer Case Assembly Replacement .

  2. Object Number: 1302106  Size: SH
  3. Using the J 6125-1B  (1) and J 23129  (2) remove the rear transmission housing oil seal from the housing.

Installation Procedure


    Object Number: 881168  Size: SH
  1. Using the J 45867 and a hammer, install the NEW rear transmission housing oil seal.
  2. Check the transmission fluid level. Add if necessary. Refer to Transmission Fluid Replacement .
  3. Install the transfer case assembly. Refer to Transfer Case Assembly Replacement .